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18
13.0 Troubleshooting HBS-916, HBS-1018
Table 5
* WARNING: Some corrections may require a qualified electrician.
Symptom Possible Cause Correction*
Motor will not start. No incoming power. Check plug connection.
Blown electrical panel fuses or tripped
circuit breaker.
Replace fuses, or reset breaker.
Defective motor, switch, power cable, or
plug.
Qualified electrician/service personnel
should inspect these items.
Motor runs too hot. Excessive blade tension. Reduce tension.
Drive belt tension too high. Reduce belt tension.
Blade too coarse for material (especially
with tubular stock).
Use blade with finer tooth pitch.
Blade too fine for material (especially with
heavier, soft material).
Use blade with coarser tooth pitch.
Insufficient gear lubrication. Fill gear box above red dot in sight glass.
Band Saw vibrates
excessively.
Base on uneven surface. Adjust base for even support.
Saw blade has cracks. Replace blade immediately.
Too heavy a cut. Reduce feed rate and blade speed.
Motor not tightened down. Tighten locking handle to secure motor.
Angled cuts not
accurate.
Material not clamped properly, or vise
screws not tightened.
Tighten vise screws securely. Use an
adjustable square or protractor to verify
angle settings.
Blade is worn, cutting crooked. Replace blade.
Cuts not square.
Feed rate too fast; blade is deflecting. Decrease feed rate.
Incorrect blade tooth style or spacing in
relation to workpiece.
Check machinist’s handbook for recom-
mended blade type for work being done.
Blade is worn, cutting crooked. Replace blade.
Incorrect adjustment of guide bearings. Readjust guide assemblies.
Guide bearings are worn. Replace guide bearings.
Blade guide brackets too far apart,
causing blade deflection.
Adjust guide assemblies as close to
workpiece as possible.
Workpiece incorrectly positioned in vise,
or vise not square to blade.
Check positioning and clamping. Check
squareness of vise jaw to blade surface.
Poor blade tension. Check and correct if needed.
Blade tracking too far from wheel
shoulders.
Adjust blade tracking.
Finished surface of
workpiece is rough,
unsatisfactory.
Blade is dull. Replace blade.
Improper blade for cutting operation. Check machinist’s handbook for blade
recommendations.
Feed rate too fast. Reduce feed rate.
Blade tension too low. Increase blade tension.
Frequent blade
breakage.
Incorrect blade tension. Adjust blade tension.
Incorrect blade speed or feed rate. Adjust accordingly.
Workpiece loose in vise. Clamp workpiece securely.
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